079
FNUS74 KMOB 182050
FWSMOB
SPOT FORECAST FOR CHICKASAWHAY CPT 400 RX...USFS
NATIONAL WEATHER SERVICE MOBILE AL
350 PM CDT MON MAY 18 2026
FORECAST IS BASED ON IGNITION TIME OF 1600 CDT ON MAY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
...HIGH DISPERSION INDEX AROUND 85 EXPECTED REST OF TODAY OVER
THE BURN AREA...
DISCUSSION
THERE IS A 30% CHANCE OF RAIN THIS AFTERNOON, AND
A 20% CHANCE OF RAIN TUESDAY. FOR THE REST OF TODAY, THE MINIMUM
RELATIVE HUMIDITY IS NEAR 55%, 20 FT WIND GUSTS WILL BE UP TO
NEAR 20 MPH, TRANSPORT WINDS WILL BE MOSTLY SOUTHERLY, AND
DISPERSION VALUES WILL BE GOOD. FOR TUESDAY, THE MINIMUM
RELATIVE HUMIDITY IS NEAR 50%, 20 FT WIND GUSTS WILL BE UP TO
NEAR 15 MPH, TRANSPORT WINDS WILL BE MOSTLY SOUTHERLY TO
SOUTH-SOUTHEASTERLY, AND DISPERSION VALUES WILL BE GOOD.
FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG IS POSSIBLE LATE
TONIGHT.
REST OF TODAY
SKY/WEATHER.........SUNNY (20-30 PERCENT).
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........55 PERCENT.
WIND (20 FT)........SOUTH WINDS 7 TO 9 MPH.
MIXING HEIGHT.......4500 FT AGL.
MIXING HEIGHT (M)...1372 METERS AGL.
TRANSPORT WINDS.....SOUTH AROUND 16 MPH.
TRANSPORT WINDS M/S.SOUTH AROUND 7 METERS/SECOND.
DISPERSION INDEX....85.
LVORI...............1.
STABILITY CLASS.....2.
TIME (CDT) 4PM 5PM
SKY (%).........23 25
WEATHER COV.....CHC SCH
WEATHER TYPE....RW RW
TSTM COV........CHC SCH
CHC OF PCPN (%).30 20
TEMP............86 86
RH..............57 57
20 FT WIND DIR..SSE SSE
20 FT WIND SPD..9 8
20 FT WIND GUST.18 18
MIX HGT (KFT)...4.5 4.5
MIX HGT (KM)....1.4 1.4
TRANSP WIND DIR.S S
TRANSP WIND SPD.16 16
TRANS WIND DIR..S S
TRANS SPD (M/S).7 7
DISPERSION IDX..85 84
LVORI...........1 1
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT). PATCHY FOG
OVERNIGHT.
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 72.
MAX HUMIDITY........90 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......500 FT AGL.
MIXING HEIGHT (M)...152-1372 METERS AGL.
TRANSPORT WINDS.....SOUTH 8 TO 15 MPH.
TRANSPORT WINDS M/S.SOUTH 4 TO 7 METERS/SECOND.
DISPERSION INDEX....76 DECREASING TO 5.
LVORI...............4.
STABILITY CLASS.....4.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........24 32 30 41 31 39 58 71 75 88 83 90
WEATHER COV..... PTY PTY PTY PTY
WEATHER TYPE.... FOG FOG FOG FOG
TSTM COV........
CHC OF PCPN (%).10 0 0 0 0 0 0 0 0 0 0 0
TEMP............85 82 78 76 75 74 73 73 73 73 72 72
RH..............59 65 74 82 84 87 90 90 90 90 90 90
20 FT WIND DIR..S SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE SE
20 FT WIND SPD..8 6 5 5 3 3 3 3 2 2 2 2
20 FT WIND GUST.18 17 16 14 14 13 12 12 10 9 9 9
MIX HGT (KFT)...4.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
MIX HGT (KM)....1.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
TRANSP WIND DIR.S S S S S S S S S S SSE SSE
TRANSP WIND SPD.15 13 12 12 12 12 12 12 9 8 8 8
TRANS WIND DIR..S S S S S S S S S S SSE SSE
TRANS SPD (M/S).7 6 5 5 5 5 5 5 4 4 4 4
DISPERSION IDX..76 6 5 6 5 5 5 5 4 4 4 4
LVORI...........1 3 4 4 5 5 6 6 6 6 6 6
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
MOSTLY SUNNY (35-45 PERCENT). PATCHY FOG EARLY
IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE AFTERNOON.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 89.
MIN HUMIDITY........52 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH IN THE
LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......4900 FT AGL.
MIXING HEIGHT (M)...152-1494 METERS AGL.
TRANSPORT WINDS.....SOUTH 7 TO 13 MPH.
TRANSPORT WINDS M/S.SOUTH 3 TO 6 METERS/SECOND.
DISPERSION INDEX....6 INCREASING TO 21 EARLY IN THE MORNING, THEN
INCREASING TO 37 LATE IN THE MORNING INCREASING
TO 55 LATE IN THE MORNING INCREASING TO 66
DECREASING TO 49 LATE IN THE AFTERNOON.
LVORI...............4.
STABILITY CLASS.....2.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........87 85 80 77 55 43 36 31 33 36 35 45
WEATHER COV.....PTY PTY SCH SCH
WEATHER TYPE....FOG FOG RW RW
TSTM COV........ SCH SCH
CHC OF PCPN (%).0 0 0 0 0 0 0 10 10 10 20 20
TEMP............72 73 74 76 80 83 85 86 88 88 88 89
RH..............90 90 87 82 72 65 59 57 54 54 54 52
20 FT WIND DIR..SE SE SE SE SE SSE SSE S S SSE SSE S
20 FT WIND SPD..3 3 3 5 6 6 6 6 6 6 7 6
20 FT WIND GUST.10 12 13 13 14 14 14 14 14 14 14 15
MIX HGT (KFT)...0.5 0.6 1.3 1.9 2.6 3.2 3.9 4.6 4.9 4.8 3.7 3.7
MIX HGT (KM)....0.2 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.5 1.5 1.1 1.1
TRANSP WIND DIR.SSE SSE SSE SSE SSE S S S S S S S
TRANSP WIND SPD.7 7 9 10 12 13 12 12 12 10 10 9
TRANS WIND DIR..SSE SSE SSE SSE SSE S S S S S S S
TRANS SPD (M/S).3 3 4 4 5 6 5 5 5 4 4 4
DISPERSION IDX..3 9 16 25 37 51 58 64 66 61 48 49
LVORI...........6 5 4 4 3 1 1 1 1 1 1 1
FORECASTER...29
REQUESTED BY...RODNEY LANDRUM
TYPE OF REQUEST...PRESCRIBED
.TAG 2613962.0/MOB
.DELDT 05/18/26
.FORMATTERVERSION 2.0.0
.EMAIL RODNEY.LANDRUM@USDA.GOV,MSMIC@FIRENET.GOV
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